Improvement in rolls for rolling plate metal



S. T. WELL MAN. Rolls for Rolling Plate Metal.

No. 201,211. Patented March,12,1878.

WITNESSES W E la. 2%. WWW 5% Wm.

N EYS N PEIERS. PHOTO LITHOGRAFHER, WASHINGTON. D C

UNITED STATES PATENT.

SAMUEL T. WELLMAN, on CLEVELAND, OHIO.

IMPROVEMENT IN ROLLS FOR ROLLING PLATE METAL.

Specification forming part of Letters Patent No. 201,211, dated March12, 1878; application filed December 26, 1877.

To all whom it may concern:

Be it known that I, SAMUEL T. WELLMAN, of Cleveland, in the county ofGuyahoga and State of Ohio, have invented certain new and usefulImprovements in Rolls for Rolling Plate-Metal and I do hereby declarethe fol-- lowing to be a full, clear, and exact description of theinvention, such as will enable others skilled in the art to which itpertains to make and use it, reference being had to the accompanyingdrawing, which forms part of this specification.

My invention relates to improvements in rolls provided with meanswhereby any gage or thickness of plate may be readily and accurately setin rolling plate metal; and the invention consists in the combination,with a vertically-movable roll in a set or train of rolls, of anindicating-cylinder secured to one of the adjusting-screws of said roll,which cylinder is provided with spirally-arranged figures, indicatingdifierent gages by means of a stationary pointer.

In the drawing, Figure l is a View, part in section and part in sideelevation, of my device. Fig. 2 is a separate View, in side elevation,of my gage. V

A A are two plain rolls, the lower one, A, stationary, the upper one, A,movable vertically. These rollers are suitably journaled in the frame B,which may be of any appropriate construction or material.

I prefer to provide the roller A with an independent sliding journal,grooved or otherwise fixed into the frame B. These journals are hungupon screws 0 O, which pass up.

through the frame B, and, by rotating in said frame, raise or lower theroller A. To the top of the screws 0 O are attached miter-gears D,engaging pinions D upon a common shaft, D

It will be apparent that the revolution of the shaft D will operate thescrews 0 0 equally and simultaneously, thereby giving a true up-and-downmovement to the roller A.

Attached to one of the miter-gears D, and, preferably, made a partthereof, is my gage E. This is a cylinder, substantially such as shownin the drawing, upon the face of which is marked a spiral groove,corresponding to the thread upon the screws G O. A stationary indicatoror pointer, E, is attached to the frame B, and presents itself to theaforesaid spiral line or groove upon the cylinder in such a way that itmay serve as an indicator, in the manner herein specified.

Upon the cylinder E are placed at suitable points figures ranging from 1upward as far as may be desired. When the indicator E points to figure 1upon the cylinder E the rolls A A should be their maximum distanceapart, and this distance should be suited to the billet from which theplate is to be rolled. The rolls are driven by an extraneous power, inthe usual or any suitable manner, this forming no part of my invention.

As the billet aforesaid is passed through the rolls for the first time,it is rolled to the gage or thickness indicated by figure 1 on thecylinder E, and these figures may be so arranged upon the said cylinderthat this gage shall correspond to the standard measurement of thetrade.

Before the second pass is made, the shaft D with its pinions D areoperated until the indicator E points to the figure 2 upon the cylinderE. When the second pass of the plate through the rolls is made a gage,No. 2, is produced.

Thus, through successive passes, until the plate is rolled to thedesired gage indicated by the figure upon the cylinder E, it will beseen that any gage or thickness of plate may be readily produced by anunskilled mechanic, all that is necessary being to pass the platesbetween the rolls until the desired gage or thickness be obtained, asindicated upon the cylinder E.

For practical purposes I prefer that the shaft D should be operated bysteam-power, although it is manifest that it may be manually operated,if necessary.

What I claim is-- l. The combination, with the verticallymovable rollerof a set or train of rolls, of an indicating cylinder, secured to one ofthe screws employed. for adjusting the roller, said cylinder providedwith spirally-arranged figures, indicating different gages,substantially as set forth.

2. The combination, with the vertically-adjustable roll in a train orset of rolls, and one 'of its adjusting-screws, of theindicating-cylinder, adapted to rotatewith said serew and: i the fixedpnin'ter; whichis secured to the frame oftherolls, substantially as1setf0rth.= r r v r a: v 7 3. Thecombina tiam with theupper roll the,

vertically adiusting screws at either endthera I of, and thehoriznntalshaft, which 'conneets V H V ,Witnessesr with said screws byindependent gearing at their respective upper axtremities, 0f theindieating-cylinder, formal with or seeured to one I :of the adjHStiIlg-SOIGW gears and. provided with apninter, substantially as 'set'forth. I

7 In testimony whereof I have signedmyname I V V V I to this 1speeificatiun in thG'PIGSBHQG of two'sub, V ,scribing'witnesses.

' SAMUEVLV'I. WELLMAN.

F. TQUMEY,' r W.VE.VDONNELLYL-

